CVE-2019-11772

Severity: critical (CVSS 9.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-07-17 · updated 2026-06-17
Weakness: CWE-787

Description

In Eclipse OpenJ9 prior to 0.15, the String.getBytes(int, int, byte[], int) method does not verify that the provided byte array is non-null nor that the provided index is in bounds when compiled by the JIT. This allows arbitrary writes to any 32-bit address or beyond the end of a byte array within Java code run under a SecurityManager.

Affected products

The Eclipse Foundation Eclipse OpenJ9: before 0.15.0 — fixed in 0.15.0

How to fix

Upgrade to a fixed version: The Eclipse Foundation Eclipse OpenJ9 0.15.0. Check the vendor advisory for mitigations.

References

https://access.redhat.com/errata/RHSA-2019:2585
https://access.redhat.com/errata/RHSA-2019:2590
https://access.redhat.com/errata/RHSA-2019:2592
https://access.redhat.com/errata/RHSA-2019:2737
https://bugs.eclipse.org/bugs/show_bug.cgi?id=549075
https://access.redhat.com/errata/RHSA-2019:2585
https://access.redhat.com/errata/RHSA-2019:2590
https://access.redhat.com/errata/RHSA-2019:2592
https://access.redhat.com/errata/RHSA-2019:2737
https://bugs.eclipse.org/bugs/show_bug.cgi?id=549075

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